Rename nfcip-* examples to nfc-dep-*

examples/nfc-dep-target.c

@@ -0,0 +1,105 @@
+/*-
+ * Public platform independent Near Field Communication (NFC) library
+ * 
+ * Copyright (C) 2009, Roel Verdult
+ * Copyright (C) 2009, Romuald Conty
+ * 
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ * @file nfc-dep-target.c
+ * @brief Turns the NFC device into a D.E.P. target (see NFCIP-1)
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif // HAVE_CONFIG_H
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <nfc/nfc.h>
+
+#define MAX_FRAME_LEN 264
+
+int
+main (int argc, const char *argv[])
+{
+  byte_t  abtRx[MAX_FRAME_LEN];
+  size_t  szRx;
+  size_t  szDeviceFound;
+  byte_t  abtTx[] = "Hello Mars!";
+  nfc_device_t *pnd;
+  #define MAX_DEVICE_COUNT 2
+  nfc_device_desc_t pnddDevices[MAX_DEVICE_COUNT];
+  nfc_list_devices (pnddDevices, MAX_DEVICE_COUNT, &szDeviceFound);
+  // Little hack to allow using nfc-dep-initiator & nfc-dep-target from
+  // the same machine: if there is more than one readers connected
+  // nfc-dep-target will connect to the second reader
+  // (we hope they're always detected in the same order)
+  if (szDeviceFound == 1) {
+    pnd = nfc_connect (&(pnddDevices[0]));
+  } else if (szDeviceFound > 1) {
+    pnd = nfc_connect (&(pnddDevices[1]));
+  } else {
+    printf("No device found.");
+    return EXIT_FAILURE;
+  }
+
+  if (argc > 1) {
+    printf ("Usage: %s\n", argv[0]);
+    return EXIT_FAILURE;
+  }
+
+  // Note: We have to build a "fake" nfc_target_t in order to do exactly the same that was done before the new nfc_target_init() was introduced.
+  nfc_target_t nt = {
+    .ntt = NTT_GENERIC_PASSIVE_106,
+    .nti.nai.abtAtqa = "\x04\x00",
+    .nti.nai.abtUid = "\xde\xad\xbe\xaf\x62",
+    .nti.nai.btSak = 0x20,
+    .nti.nai.szUidLen = 5,
+    .nti.nai.szAtsLen = 0,
+  };
+
+  if (!pnd) {
+    printf("Unable to connect to NFC device.\n");
+    return EXIT_FAILURE;
+  }
+  printf ("Connected to NFC device: %s\n", pnd->acName);
+
+  printf ("Waiting for initiator request...\n");
+  if(!nfc_target_init (pnd, NTM_DEP, nt, abtRx, &szRx)) {
+    nfc_perror(pnd, "nfc_target_init");
+    return EXIT_FAILURE;
+  }
+
+  printf("Initiator request received. Waiting for data...\n");
+  if (!nfc_target_receive_bytes (pnd, abtRx, &szRx)) {
+    nfc_perror(pnd, "nfc_target_receive_bytes");
+    return EXIT_FAILURE;
+  }
+  abtRx[szRx] = '\0';
+  printf ("Received: %s\n", abtRx);
+
+  printf ("Sending: %s\n", abtTx);
+  if (!nfc_target_send_bytes (pnd, abtTx, sizeof(abtTx))) {
+    nfc_perror(pnd, "nfc_target_send_bytes");
+    return EXIT_FAILURE;
+  }
+  printf("Data sent.\n");
+
+  nfc_disconnect (pnd);
+  return EXIT_SUCCESS;
+}